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McDonald (crater)
McDonald is a small lunar impact crater located in the central Mare Imbrium. It was named after American benefactor William Johnson McDonald and Scottish selenographer Thomas Logie MacDonald. This crater is a cup-shaped feature with a circular rim, and has not been significantly eroded. It lies to the southeast of the slightly larger crater Carlini, in an isolated part of the mare. This feature was identified as 'Carlini B' prior to being renamed by the IAU. References * * * * * * * * * * * External links LTO-40A2 McDonald— L&PI topographic map In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but histori ... - partial map undisplayed *{{Commons category-inline Impact craters on the Moon Mare Imbrium ...
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Apollo 15
Apollo 15 (July 26August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing. It was the first List of Apollo missions#Alphabetical mission types, J mission, with a longer stay on the Moon and a greater focus on science than earlier landings. Apollo 15 saw the first use of the Lunar Roving Vehicle. The mission began on July 26 and ended on August 7, with the lunar surface exploration taking place between July 30 and August 2. Apollo Commander, Commander David Scott and Lunar Module Pilot James Irwin landed near Hadley–Apennine#Rima Hadley, Hadley Rille and explored the local area using the rover, allowing them to travel further from the Apollo Lunar Module, Lunar Module than had been possible on previous missions. They spent 18 hours on the Moon's surface on four extravehicular activities (EVA), and collected of surface material. At the same time, Command Module Pilot Alfred Worden orbited the Moon, operating the sensors in the scie ...
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William Johnson McDonald
William Johnson McDonald (December 21, 1844 – February 8, 1926, though some sources give his date of death as February 6 ) was a Paris, Texas banker who left $850,000 (the bulk of his fortune) to the University of Texas System to endow an astronomical observatory. The bequest was unexpected, and his will was contested, but after prolonged legal disputes the university received the money. At the time, the university had no faculty of astronomy, so in 1932 it formed a collaboration with Otto Struve at the University of Chicago, who supplied astronomers. The McDonald Observatory is named after him, with Otto Struve becoming the first director. McDonald was the eldest of the three sons of Sarah Johnson and Henry Graham McDonald of Paris, Texas. As a young man, he was a private in the Confederate A confederation (also known as a confederacy or league) is a political union of sovereign states united for purposes of common action. Usually created by a treaty, confederation ...
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Thomas Logie MacDonald
Thomas Logie MacDonald FRSE FRAS (1901–1973) was a Scottish astronomer and politician, and eponym of lunar crater McDonald. He was a graduate of Glasgow University, and became secretary and chairman of the West of Scotland branch of the British Astronomical Association. From 1929 to 1931 he served as President of the West of Scotland Branch of the British Astronomical Association. He was elected a fellow of the Royal Society of Edinburgh on 5 March 1928. His proposers were Hector Copland Macpherson, Ralph Allan Sampson, Ludwig Becker and Edward Taylor Jones. He resigned from the Society in 1961. From 1938 he served as Director of the Lunar Section of the British Astronomical Association, serving throughout the Second World War until 1946. At this time he lived at 9 Colebrooke Terrace in Glasgow. MacDonald was a Labour councillor and Mayor of Carlisle from May 1961 to 1962. The Carlisle/Flensburg (Germany) town twinning A sister city or a twin town relationship is ...
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Mare Imbrium
Mare Imbrium (Latin ''imbrium'', the "Sea of Showers" or "Sea of Rains") is a vast lunar mare, lava plain within the Imbrium Basin on the Moon and is one of the larger craters in the Solar System. The Imbrium Basin formed from the collision of a Protoplanet, proto-planet during the Late Heavy Bombardment. Basaltic lava later flooded the giant Impact crater, crater to form the flat volcanic plain seen today. The basin's age has been estimated using Uranium–lead dating, uranium–lead dating methods to approximately 3.9 billion years ago, and the diameter of the impactor has been estimated to be 250 ± 25 km. The Moon's maria (plural of Lunar mare, mare) have fewer features than other areas of the Moon because molten lava pooled in the craters and formed a relatively smooth surface. Mare Imbrium is not as flat as it would have originally been when it first formed as a result of later events that have altered its surface. Origin Mare Imbrium formed when a proto-planet ...
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Carlini (crater)
Carlini is a small lunar impact crater located in the Mare Imbrium. It was named after Italian astronomer Francesco Carlini. The crater is bowl-shaped with a small central floor. It has a higher albedo than the surrounding mare, making it prominent due to its isolated location. To the south is a wrinkle ridge named Dorsum Zirkel, and farther south lies the peak Mons La Hire. Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Carlini. The following craters have been renamed by the IAU. * Carlini B — ''See'' McDonald (crater) McDonald is a small lunar impact crater located in the central Mare Imbrium. It was named after American benefactor William Johnson McDonald and Scottish selenographer Thomas Logie MacDonald. This crater is a cup-shaped feature with a circular .... File:Carlini D crater 4127 h1.jpg, Carlini D References * * * * * * * * * * * ...
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Lunar Mare
The lunar maria ( ; mare ) are large, dark, basaltic plains on Earth's Moon, formed by lava flowing into ancient impact basins. They are less reflective than the "highlands" as a result of their iron-rich composition, and hence appear dark to the naked eye. The maria cover about 16% of the lunar surface, mostly on the side visible from Earth. The few maria on the far side are much smaller, residing mostly in very large craters. The traditional nomenclature for the Moon also includes one (ocean), as well as features with the names ('lake'), ('marsh'), and ('bay'). The last three are smaller than maria, but have the same nature and characteristics. The names of maria refer to sea features ( Mare Humorum, Mare Imbrium, Mare Insularum, Mare Nubium, Mare Spumans, Mare Undarum, Mare Vaporum, Oceanus Procellarum, Mare Frigoris), sea attributes ( Mare Australe, Mare Orientale, Mare Cognitum, Mare Marginis), or states of mind ( Mare Crisium, Mare Ingenii, Mare Serenita ...
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International Astronomical Union
The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and development through global cooperation. It was founded on 28 July 1919 in Brussels, Belgium and is based in Paris, France. The IAU is composed of individual members, who include both professional astronomers and junior scientists, and national members, such as professional associations, national societies, or academic institutions. Individual members are organised into divisions, committees, and working groups centered on particular subdisciplines, subjects, or initiatives. the Union had 85 national members and 12,734 individual members, spanning 90 countries and territories. Among the key activities of the IAU is serving as a forum for scientific conferences. It sponsors nine annual symposia and holds a triannual General Assembly that sets policy ...
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NASA
The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States's civil list of government space agencies, space program, aeronautics research and outer space, space research. National Aeronautics and Space Act, Established in 1958, it succeeded the National Advisory Committee for Aeronautics (NACA) to give the American space development effort a distinct civilian orientation, emphasizing peaceful applications in space science. It has since led most of America's space exploration programs, including Project Mercury, Project Gemini, the 1968–1972 Apollo program missions, the Skylab space station, and the Space Shuttle. Currently, NASA supports the International Space Station (ISS) along with the Commercial Crew Program and oversees the development of the Orion (spacecraft), Orion spacecraft and the Sp ...
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Cambridge University Press
Cambridge University Press was the university press of the University of Cambridge. Granted a letters patent by King Henry VIII in 1534, it was the oldest university press in the world. Cambridge University Press merged with Cambridge Assessment to form Cambridge University Press and Assessment under Queen Elizabeth II's approval in August 2021. With a global sales presence, publishing hubs, and offices in more than 40 countries, it published over 50,000 titles by authors from over 100 countries. Its publications include more than 420 academic journals, monographs, reference works, school and university textbooks, and English language teaching and learning publications. It also published Bibles, runs a bookshop in Cambridge, sells through Amazon, and has a conference venues business in Cambridge at the Pitt Building and the Sir Geoffrey Cass Sports and Social Centre. It also served as the King's Printer. Cambridge University Press, as part of the University of Cambridge, was a ...
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Jonathan's Space Report
''Jonathan's Space Report'' (JSR) is a newsletter about the Space Age hosted at Jonathan's Space Page. It is written by Jonathan McDowell, a Center for Astrophysics Harvard & Smithsonian astrophysicist. It is updated as McDowell's schedule permits, but he tries to publish two issues each month. Originally, the website was hosted on a Harvard University account, but it was moved in late 2003 to a dedicated domain. Started in 1989, the newsletter reports on recent space launches, International Space Station activities, spacecraft developments, and newly released space-related data. McDowell's report occasionally corrects NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...'s official web sites, or provides additional data on classified launches that are not available elsewhere ...
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Sterling Publishing Co
Sterling Publishing Company, Inc. is a publisher of a broad range of subject areas, with multiple imprints and more than 5,000 titles in print. Founded in 1949 by David A. Boehm, Sterling also publishes books for a number of brands, including AARP, Hasbro, Hearst Magazines, and '' USA TODAY'', as well as serves as the North American distributor for domestic and international publishers including: Anova, the Brooklyn Botanic Garden, Carlton Books, Duncan Baird, Guild of Master Craftsmen, the Orion Publishing Group, and Sixth & Spring Books. Sterling Publishing became a wholly owned subsidiary of Barnes & Noble, when the book retailer acquired it in 2003. On January 5, 2012, ''The Wall Street Journal'' reported that Barnes & Noble had put its Sterling Publishing business up for sale. Negotiations failed to produce a buyer, however, and as of March 2012 Sterling was reportedly no longer for sale. In January 2022, Sterling rebranded as Union Square & Co. In March 2022, the c ...
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